Polydimethylsiloxanes for modulus reduction and method for their

Details Polydimethylsiloxanes for modulus reduction and method for their Polydimethylsiloxanes for modulus reduction and method for their

1992-08-25

1993-11-23

Shaver, Paul F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Silicon containing

528 17, 524429, 524431, 524430, 524448, 524588, 524785, 524783, 524788, 524860, C07F 710, C08L 8304

Patent

active

052646033

ABSTRACT:
A polydimethylsiloxane which has both low reactivity endgroups and high reactivity endgroups. These polydimethylsiloxanes are useful for making sealants with reduced modulus. An example of these polydimethylsiloxanes is one having low reactivity endgroups of the formula

REFERENCES:
patent: 3274145 (1966-09-01), Dupree
patent: 3488371 (1970-01-01), Klebe
patent: 3776933 (1973-12-01), Toporcer et al.
patent: 4145359 (1979-03-01), Homan et al.
patent: 4602094 (1986-07-01), Mitchell
patent: 4898910 (1990-02-01), Kamis et al.

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